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ARM: S5P6440: Add serial port support

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This patch adds UART serial port support for S5P6440 CPU. Most of the
serial support of Samsung's 6400 CPU is reused for 6440 CPU.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Kukjin Kim 2010-01-14 08:23:53 +09:00 committed by Ben Dooks
parent 62a6156e88
commit 501dae90b3
3 changed files with 170 additions and 4 deletions
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1
arch/arm/plat-s3c/include/plat/devs.h
View File

@ -18,6 +18,7 @@ struct s3c24xx_uart_resources {
extern struct s3c24xx_uart_resources s3c2410_uart_resources[];
extern struct s3c24xx_uart_resources s3c64xx_uart_resources[];
extern struct s3c24xx_uart_resources s5p_uart_resources[];
extern struct platform_device *s3c24xx_uart_devs[];
extern struct platform_device *s3c24xx_uart_src[];

165
arch/arm/plat-s5p/dev-uart.c Normal file
View File

@ -0,0 +1,165 @@
/* linux/arch/arm/plat-s5p/dev-uart.c
*
* Copyright (c) 2009 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* Base S5P UART resource and device definitions
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/platform_device.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <mach/map.h>
#include <plat/devs.h>
/* Serial port registrations */
static struct resource s5p_uart0_resource[] = {
[0] = {
.start = S5P_PA_UART0,
.end = S5P_PA_UART0 + S5P_SZ_UART,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_S5P_UART_RX0,
.end = IRQ_S5P_UART_RX0,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_S5P_UART_TX0,
.end = IRQ_S5P_UART_TX0,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = IRQ_S5P_UART_ERR0,
.end = IRQ_S5P_UART_ERR0,
.flags = IORESOURCE_IRQ,
}
};
static struct resource s5p_uart1_resource[] = {
[0] = {
.start = S5P_PA_UART1,
.end = S5P_PA_UART1 + S5P_SZ_UART,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_S5P_UART_RX1,
.end = IRQ_S5P_UART_RX1,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_S5P_UART_TX1,
.end = IRQ_S5P_UART_TX1,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = IRQ_S5P_UART_ERR1,
.end = IRQ_S5P_UART_ERR1,
.flags = IORESOURCE_IRQ,
},
};
static struct resource s5p_uart2_resource[] = {
[0] = {
.start = S5P_PA_UART2,
.end = S5P_PA_UART2 + S5P_SZ_UART,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_S5P_UART_RX2,
.end = IRQ_S5P_UART_RX2,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_S5P_UART_TX2,
.end = IRQ_S5P_UART_TX2,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = IRQ_S5P_UART_ERR2,
.end = IRQ_S5P_UART_ERR2,
.flags = IORESOURCE_IRQ,
},
};
static struct resource s5p_uart3_resource[] = {
[0] = {
.start = S5P_PA_UART3,
.end = S5P_PA_UART3 + S5P_SZ_UART,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_S5P_UART_RX3,
.end = IRQ_S5P_UART_RX3,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_S5P_UART_TX3,
.end = IRQ_S5P_UART_TX3,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = IRQ_S5P_UART_ERR3,
.end = IRQ_S5P_UART_ERR3,
.flags = IORESOURCE_IRQ,
},
};
struct s3c24xx_uart_resources s5p_uart_resources[] __initdata = {
[0] = {
.resources = s5p_uart0_resource,
.nr_resources = ARRAY_SIZE(s5p_uart0_resource),
},
[1] = {
.resources = s5p_uart1_resource,
.nr_resources = ARRAY_SIZE(s5p_uart1_resource),
},
[2] = {
.resources = s5p_uart2_resource,
.nr_resources = ARRAY_SIZE(s5p_uart2_resource),
},
[3] = {
.resources = s5p_uart3_resource,
.nr_resources = ARRAY_SIZE(s5p_uart3_resource),
},
};
/* uart devices */
static struct platform_device s5p_uart_device0 = {
.id = 0,
};
static struct platform_device s5p_uart_device1 = {
.id = 1,
};
static struct platform_device s5p_uart_device2 = {
.id = 2,
};
static struct platform_device s5p_uart_device3 = {
.id = 3,
};
struct platform_device *s3c24xx_uart_src[4] = {
&s5p_uart_device0,
&s5p_uart_device1,
&s5p_uart_device2,
&s5p_uart_device3,
};
struct platform_device *s3c24xx_uart_devs[4] = {
};

8
drivers/serial/Kconfig
View File

@ -459,7 +459,7 @@ config SERIAL_SAMSUNG_UARTS
int
depends on ARM && PLAT_S3C
default 2 if ARCH_S3C2400
default 4 if ARCH_S5PC1XX || ARCH_S3C64XX || CPU_S3C2443
default 4 if ARCH_S5P6440 || ARCH_S5PC1XX || ARCH_S3C64XX || CPU_S3C2443
default 3
help
Select the number of available UART ports for the Samsung S3C
@ -526,11 +526,11 @@ config SERIAL_S3C24A0
Serial port support for the Samsung S3C24A0 SoC
config SERIAL_S3C6400
tristate "Samsung S3C6400/S3C6410 Serial port support"
depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410)
tristate "Samsung S3C6400/S3C6410/S5P6440 Serial port support"
depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410 || CPU_S5P6440)
default y
help
Serial port support for the Samsung S3C6400 and S3C6410
Serial port support for the Samsung S3C6400, S3C6410 and S5P6440
SoCs
config SERIAL_S5PC100